Benchmark Platinum-Edge [ii]: Operation-Service Manual
SECTION 7
– BOILER SEQUENCING TECHNOLOGY
OMM-0137_J
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7.2.2 BST Setup: Remote Setpoint
Complete the instructions below to configure the Controller for
Remote Setpoint
.
BST Remote Setpoint Setup Instructions
1. Go to:
Main Menu
→
EZ Setup
.
2. On the
Select Configuration
screen press
BST Cascade
.
3. On the
Cascade Role
screen select
BST
Manager
then press
Next
.
4. The next screen displays the current time and date. Press
Next
to continue, or press either
field and enter the correct time or date.
5. On the
Cascade Communication
screen, fill in the settings that appear.
•
Unit Address
: The unique communication address of the current (Manager) unit.
(Range: 1 to 127)
•
Min & Max Address
: The address range in the BST cascade,
1
up to the total number
of units in the cascade; for example,
1
and
10
(
Max Address
maximum =
16
).
•
SSD Address
: The Client/Client Device address. This parameter is for backwards
compatibility with the C-More Control system.
•
Cascade Baud Rate
: Select the rate at which information is transferred in a
communication channel:
9600
,
19200
,
38400
or
115200
bits per second.
•
Plant Failsafe Mode
: The Manager’s operating mode if there is a loss of
communication between the Manager and Client units, or to the BAS or external
signal/sensor, such as an outdoor sensor (default =
Constant Setpoint
).
•
Plan
t Failsafe Setpoint
(only if
Plant Failsafe Mode
=
Constant Setpoint)
:
Specify the
Setpoint for all units in the cascade.
6. The
Client Address
screen appears as a reminder to setup all Client units in the BST
Cascade before continuing. Once all Client units are setup, press
Next
to continue.
7. The
Unit Address
screen shows a grid with a color-coded square representing each unit
discovered in the cascade and a code indicating its current status. Before continuing, verify
that this screen confirms your understanding of the state of all units in the cascade.
IMPORTANT!
Do not continue past this screen unless it accurately represents the cascade you are
creating.
8. When the
Select Your Boiler Application
screen appears, chose
Space Heating
.
9. The
SH Operating Mode
screen now appears; choose
Remote Setpoint
.
10. The
Select Remote Setpoint Type
screen appears. Choose how the unit will access the
setpoint.
A. If you chose
4-20mA
,
0-20mA
,
1-5V
, or
0-5V
, the
SH Analog Input
screen appears.
Enter the upper and lower limits of the SH setpoint in the
BST SH Setpt Low Limit
and
BST SH Setpt High Limit
fields
.
B. If you chose
Network
, the
Select COM Settings
screen appears.
Enter the
Unit
Address
and
Unit Baud Rate
.
C. If you chose either
BAS
or
PWM
, the
Select BAS Mode
screen appears (see next
step).
